#Einstein
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Einstein’s General Relativity passes the test at the centre of our Galaxy
Measurements of a star close to the supermassive black hole at the centre of the Milky Way confirms the predictions General Relativity
Science & Technology | Science & Technology
Definition of Closed Timelike Curve
Definition of a closed timelike curve and how closed timelike curves can be used in relativity for the purposes of time travel.
News | News
What Einstein would have thought of J-Street, JVP. IfNotNow
What Einstein would have thought of J-Street, JVP. IfNotNow Thanks to: Elder of Ziyon The American Council for Judaism was an anti-Zionist Jewish group that started in 1942 for the purpose splitting the American Jewish community. Its position (since somew
History | History
Elder Of Ziyon - What Einstein would have thought of J-Street, JVP. IfNotNow
Blogging about Israel and the Arab world since, oh, forever.
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If There Were a Time Warp, How Would Physicists Find It? | Space
How will physicists know if we're in a time warp?
Miscellaneous | Religion & Spirituality
Einstein letter defending his Jewish heritage up for auction | Fox News
Shortly before the start of World War II, Albert Einstein, perhaps the world's most famous theoretical physicist, wrote a letter to a colleague detailing his thoughts on the "power of the resistance" of the Jewish people. And now that letter is
Science & Technology | Science
Einstein 'puzzle' solved as missing page emerges in new trove
An Albert Einstein "puzzle" has been solved thanks to a missing manuscript page emerging in a trove of his writings newly acquired by Jerusalem's Hebrew University, officials announced Wednesday. The handwritten page, part of an appendix to a 19
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The Universe Has A Speed Limit, And It Isn't The Speed Of Light
Nothing can go faster than the speed of light in a vacuum. But particles in our Universe can't even go that fast.
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Milky Way's Black Hole Provides Long-Sought Test of Einstein's General Relativity - Scientific American
Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
Entertainment | Star Wars
Did Han Solo Use A Trick Of Einstein's Relativity To Make The Kessel Run?
As the new Star Wars movie, Solo, premieres, let's look at the physics of how his most famous achievement might actually be possible.
Science & Technology | Cool Stuff
Experiment shows Einstein's quantum 'spooky action' approaches the human scale
We usually think of quantum entanglement in the realm of atomic systems, but now it's been scaled up to relatively massive objects. This opens the door to new kinds of technology.
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The Most Important Equation In The Universe
Just one equation relates the expansion of space to all the matter and energy we have. If you know this, you can know the fate of the Universe.
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Hubble Telescope Discovers a Light-Bending 'Einstein Ring' in Space
The perfect circle surrounding a galaxy cluster in a new Hubble Space Telescope image is a visual indicator of the huge masses that are bending time and space in that region.
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The Puzzle Of Quantum Reality
Despite the incredibly accurate predictions of quantum theory, there's a lot of disagreement over what it says about reality — or even whether it says anything at all about it, says guest Adam Becker.
Science & Technology | Physics & Cosmology
Was Einstein Right? Single Star Will Let Astronomers Test Theory of Relativity
“We have been waiting 16 years for this.”
Science & Technology | Physics & Cosmology
The Three Meanings Of E=mc^2, Einstein's Most Famous Equation
From matter, antimatter and energy to the fundamental truths about existence, Einstein's most famous equation is the link you can't forget.
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Free-fall experiment could test if gravity is a quantum force
The effort to reconcile general relativity with quantum mechanics always hits one snag: gravity. An experiment could finally tell us if it is a quantum force
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10 Spacetime Mysteries That Quantum Gravity Could Solve
We travel through spacetime every day, but still don't really know how it works.
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In A First, Scientists Spot Light Amid Gravitational Waves Emitted By Colliding Stars
Scientists for the first time have detected both gravitational waves and light from the collision of two dead, incredibly dense neutron stars.
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A fourth gravitational wave has been detected
And we've pinpointed its location better than ever before.
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Exclusive: We may have detected a new kind of gravitational wave
Rumours are swirling of a new kind of gravitational wave, created by colliding neutrons stars, rather than black holes. Now Hubble has joined the hunt
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Gravitational Lensing Provides Rare Glimpse Into Interiors of Black Holes
The observable Universe is an extremely big place, measuring an estimated 91 billion light-years in diameter. As a result, astronomers are forced to rely on powerful instruments to see faraway objects. But even these are sometimes limited, and must be paired with a technique known as gravitational lensing.
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Ripples In Spacetime: From Einstein To LIGO And Beyond
There's a new book out on gravitational waves, and it covers the history, science, people, and possibilities unlike any other.
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Space breakthrough: Scientists teleport photon from Earth to orbit
For the first time, scientists have successfully teleported a photon from the ground to a satellite in orbit.
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Does Dark Energy Exist? Einstein's General Relativity Could Rid Us of the Need for Universe's Most Mysterious Force
A renewed suggestion that dark energy may not be real—dispensing with 70 percent of the stuff in the universe—has reignited a longstanding debate. Dark energy and dark matter are theoretical inventions that explain observations we cannot otherwise und
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Was It All Just Noise? Independent Analysis Casts Doubt On LIGO's Detections
The LIGO team just recently announced their third robust event, consistent with merging black holes. But an unexplained effect might mean this isn't signal, but simply noise instead.
Science & Technology | Technology
Satellite sends quantum-spooky signals to Earth – raising hopes of secure global communications
The 'entangled' light particles spookily interact with each other at huge distances.
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LIGO detects more gravitational waves, from even more ancient and distant black hole collisions
These ripples in the very fabric of the universe were hypothesized by Einstein a century ago. Now scientists have detected them for the third time in a year and a half – ushering in a new era in astrophysics.
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Giant ring of galaxies scattered during Andromeda flyby challenges Einstein's theory of gravity
A huge ring of galaxies spanning 10 billion light years is challenging Albert Einstein's theory of gravity. In two papers, one published in the Monthly Notices of the Royal Astronomical Society and the other currently under review, scientists observed th
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Quantum Physics: Are Entangled Particles Connected Via An Undetected Dimension?
Are entangled particles connected via another dimension, since they continue to be connected and a reflection of each other regardless of distance? This question was originally answered on Quora by Allan Steinhardt.
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Physicists prove Einstein still wrong about quantum mechanics with record-breaking trapped ion tests
Physicists from a US government agency have made a breakthrough in proving that quantum mechanics can indeed be explained by classical physics, as well as showing that trapped ions could be the best method for reliably creating quantum entanglement, which
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Quantum Physics News: Entangled Photons Can Originate From Different Points In Space
For the longest time, scientists thought that entangled particles emerged from the same point in space. New observations challenge this belief.
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Astronomers are set to peer into a black hole and take a picture of its event horizon
Ever since first mentioned by Jon Michell in a letter to the Royal Society in 1783, black holes have captured the imagination of scientists, writers, filmmakers and other artists. Black holes are regions of space inside which the pull of gravity is so st
Science & Technology | Science
The Universe Is as Spooky as Einstein Thought - The Atlantic
In a brilliant new experiment, physicists have confirmed one of the most mysterious laws of the cosmos.
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A theory that challenges Newton's and Einstein’s gravity and nixes dark matter passed its first test — Quartz
Margot Brouwer of Leiden University is brave—and you need to be, if you're challenging Albert Einstein and Isaac Newton in one fell swoop. Brouwer and her colleagues believe that the laws of gravity, as determined by Newton and further expanded by Einst
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New theory explains gravity better than Einstein's relativity
Dark matter and dark energy aren't needed to explain large-scale gravitational movements under the new theory.
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Gravitational Waves May Permanently Alter Spacetime
Finding evidence of gravitational-wave memory could help solve the black hole information paradox.
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Does Quantum Entanglement Mean The Universe Exists in Infinite States?
The behavior of atomic particles has us questioning the very nature of reality.
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Entangled Particles Reveal Even Spookier Action Than Thought
This finding comes from a close look at quantum entanglement, in which two particles that are "entangled" affect each other even when separated by a large distance. Now, researchers have found that even if they were to scrap this theory, allowin
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A new ‘Einstein’ equation suggests wormholes hold the key to quantum gravity - Business Insider
There’s a new equation floating around the world of physics these days that would make Einstein proud.
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Astronomers are performing a definitive test of Einstein's General Relativity theory - Business Insider
Astronomers are trying to do the impossible that could prove Einstein wrong
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Einstein's clock: The doomed black hole to set your watch by | New Scientist
Every 12 years, a black hole at the centre of a distant galaxy completes an orbit around an even bigger black hole, marking this with a violent outburst
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How Does Light Travel? - Universe Today
Since ancient times, scientists have debated the true nature of light. Despite the progress we've made, there are still mysteries left to be resolved
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A five-dimensional black hole could 'break' general relativity
Five-dimensional black holes would contain gravity so intense, the laws of physics as we know them would fall apart.
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6 Things You Probably Didn't Know About Gravitational Waves | WIRED
There are so many cool aspects of LIGO's detection of gravitational waves. Here are six ideas for you to consider.
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Hold Up, Did We Just Crack Time Travel? - The Daily Beast
Astrophysicists famously proved Einstein’s theory on the existence of gravitational waves last week. Here’s the less covered part of it all: It might, down the line, bring us closer to moving through time.
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Einstein was right: Scientists detect gravitational waves
Albert Einstein’s Theory of Relativity passes a big test: Scientists have direct evidence of gravitational waves, ripples in the fabric of space and time.
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A Radical Reinterpretation of Einstein’s Theory — NOVA Next | PBS
A cadre of physicists working on the theory of shape dynamics could change our understanding of reality.
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Wayward satellites repurposed to test general relativity : Nature News & Comment
Scientists will use wonky orbit to test Einstein’s theories.
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Einstein Is Right About General Relativity — Again
Using planetary orbits, physicists have confirmed with amazing precision Einstein's theory of general relativity.
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Detecting Ripples in Space-Time, with a Little Help from Einstein
It is an observatory of immense scale — two enormous detectors separated by the bulk of the American continent — but that's what's needed for LIGO to ultimately catch black holes colliding and the explosions of stars.
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How Quantum Randomness Saves Relativity
Albert Einstein is famous for two things in physics: the theory of relativity, and hating the randomness of quantum physics. Which makes it delightfully ironic that the latter is needed to preserve the former.
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Relativity’s time dilation may limit the quantum world | Ars Technica
Theoretical calculations suggest time dilation may cause systems to decohere.
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Do We Need to Rewrite General Relativity? - The Nature of Reality
General relativity, the theory of gravity Albert Einstein published 100 years ago, is one of the most successful theories we have. It has passed every experimental... Read Full Post
Science & Technology | Cosmic Research
Has NASA Really Created A Warp Drive?
Forget blowing bubbles, NASA may be on the path to discovering warp bubbles that will open up every corner of the universe for human exploration. We have broken the speed of sound, but now NASA scientists are tentatively announcing they may have broken t
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Einstein's Theory of General Relativity: A Simplified Explanation
Albert Einstein determined that massive objects cause a distortion in space-time, which is felt as gravity.
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We now have the technology to really test Einstein's theory of relativity
A century after Einstein presented his theory of relativity, scientists have the technology to begin looking for evidence that could reveal physics beyond it.
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Four ways to break the universe's speed limit
When Albert Einstein first showed that light travels the same speed everywhere in the universe, he essentially stamped a speed limit on our universe: 670,616,629 miles per hour.
But that's not the entire story. In fact, it's just the beginning.
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Einstein's "Time Dilation" Prediction Verified - Scientific American
Physicists have verified a key prediction of Albert Einstein’s special theory of relativity with unprecedented accuracy. Experiments at a particle accelerator in Germany confirm that time moves slower for a moving clock than for a stationary one.
